Keithley 195A: Difference between revisions

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==Components==
{{Parts|Keithley 195A}}


[[Category:Keithley]]
[[Category:Keithley]]
[[Category:Digital multimeters]]
[[Category:Digital multimeters]]

Revision as of 04:03, 20 May 2024

Keithley 195A
5½-digit TRMS digital multimeter
Keithley 195A

Produced from 1984 to (?)

Manuals
(All manuals in PDF format unless noted otherwise)
Manuals – Specifications – Links – Pictures

The Keithley 195A is a 5½-digit LED True-RMS, auto-ranging digital multimeter. It features a standard GPIB interface. Current and True RMS ranges are optional (Opt. 1950).

Key Specifications

Voltage (DC) 20 mV to 1000 V full scale in decade ranges; >1 GΩ input resistance (10 MΩ in 20 V and above ranges)
Voltage (AC) 200 mV to 700 V full scale in decade ranges; 2 MΩ // 75 pF; 250 kHz; True RMS; Crest factor <3:1
Current (DC) 20 μA to 2 A full scale in decade ranges (Option 1950)
Current (AC) 200 μA to 2 A full scale in decade ranges (Option 1950); True RMS; Crest factor <3:1
Resistance 20 Ω to 20 MΩ full scale in decade ranges, 2- or 4-terminal
Temperature –200 °C to +630 °C using a PT-100 RTD sensor

Pictures

Components

Some Parts Used in the Keithley 195A

Part Part Number(s) Class Description Used in
AD536 156-1259-00 Monolithic integrated circuit RMS/DC converter DM501A DM502A Keithley 177 Keithley 179 Keithley 195A
MOS Technology 6522 156-1539-00 Monolithic integrated circuit "Versatile Interface Adapter (VIA)" MI5010 SI5010 Keithley 181 Keithley 181A Keithley 192 Keithley 195A Keithley 199 Keithley 220 Keithley 230
Motorola 6800 156-0426-00 Monolithic integrated circuit 8-bit microprocessor 021-0206-00 021-0374-00 067-0902-00 067-1137-99 222 222A 222PS 2424L 2445 2465 4051 7912 7912AD 7A16P 7A29P 7B81P 7B90P 833 834 CG5001 CG551AP CG5010 CG5011 DF1 DF2 DM5010 MI5010 SI5010 PS5004 PS5010 SG5010 Keithley 181 Keithley 175 Keithley 175A Keithley 192 Keithley 195A Keithley 197 Keithley 220 Keithley 230 Keithley 485 Keithley 580
TMS9914 156-1444-00 156-1444-01 Monolithic integrated circuit GPIB controller 2221 2230 2424L 2440 4052A 4054A 021-0374-00 067-1137-99 DC5009 DC5010 DM5010 DM5120 DM5520 MI5010 SG5010 SG5030 SI5010 PS5004 PS5010 Keithley 195A Keithley 197 Keithley 199 Keithley 220 Keithley 230